How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.
This occurs when one of the soft, gel-filled discs between the vertebrae of the spine bulges or ruptures, compressing and/or irritating the sciatic nerve. Another common cause of sciatica is muscle spasm that compresses the sciatic nerve as it travels through the muscles.
Causes of muscle spasms. A herniated disc can cause muscle spasms for two reasons: Inflammation â The nucleus pulposus contains enzymes that cause inflammation and, in turn, pain. The muscles sometimes spasm as the result of pain, further contributing to the patientâs discomfort.